In accordance with article 3, paragraph 2 of the Optional Protocol, the United Mexican States declares:

i) That the minimum age for voluntary recruitment of its nationals into the armed forces is 18 years;

ii) That article 24 of the Military Service Act provides that only volunteers will be accepted into the armed forces for active service until the figure set annually by the Ministry of Defence has been met and provided that the following conditions are fulfilled:

I. They must submit an application;

II. They must be Mexican nationals who are over 18 but not over 30, and must be under 40 in the case of personnel enlisted as specialists in the army;

Those over 16 and under 18 shall be accepted into signals units for training as technicians under contracts with the State not exceeding five years in duration. Moreover, under article 25 of the Military Service Act, only the following persons may be accepted for early enlistment in the armed forces:

I. Those who wish to leave the country at the time when they would be required by law to undertake military service if they are over 16 at the time of requesting enlistment;

II. Those who are obliged to request early enlistment because of their studies.

The maximum number of individuals who may be allowed to enlist early shall be set every year by the Ministry of Defence.